package mapper;

import java.util.ArrayList;

import entity.Student;

public interface StudentMapper {
	public Student findById(String id);
	public ArrayList<Student> findAll();
	public int add(Student student);
	public Student findByUsername(String username);
	public int delete(String id);
	public int alter(Student teacher);
	public ArrayList<Student> findByClasses(String id);
}
